Speaker



FIG. 1 is a front perspective view of a speaker showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left-side view thereof;

FIG. 5 is a right-side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is an exploded front perspective view thereof.

The broken lines in the figures show portions of the speaker which form no part of the claimed design. 

CLAIM We claim the ornamental design for a speaker, as shown and described. 